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GL45 caps/lids for media bottles - why so expensive & where to get?
Lake Charles Manufacturing sells 100 mL media bottles with GL-45 caps for in lots of 30 for around $ ... |
31-12-2017 at 23:39
by: JJay |
Reduce cinnamaldehyde to hydrocinnamaldehyde
According to Hilgetag and Martini's Preparative Organic Chemistry page 6 (in the SM library), sodium ... |
31-12-2017 at 15:47
by: JJay |
Extracting Coffee Oil for Candles
Petroleum ether would work ok. You might try distilling gasoline to obtain a suitable solvent, but i ... |
31-12-2017 at 15:36
by: JJay |
Separating phthalic acid isomers
The Klean Strip SDS doesn't really say: http://www.kleanstrip.com/uploads/documents/GXY24_SDS-LL44.p ... |
31-12-2017 at 01:02
by: JJay |
The Short Questions Thread (4)
The manufacturer disclaims any liability for home use, but these cartridges otherwise look as though ... |
30-12-2017 at 23:10
by: JJay |
Separating phthalic acid isomers
Does anyone know how much o-xylene is actually contained in commercial solvent xylene (e.g. Klean St ... |
30-12-2017 at 15:50
by: JJay |
Sodium Cyanate into Sodium Cyanide
Nurdrage has done it, but he stated in a later video that the product wasn't pure enough for his syn ... |
30-12-2017 at 05:59
by: JJay |
Inert test tubes & teflon (or glass) cap liners.
I saw the name of the inhibitor stated at one point but the source was a bit dubious, and I have not ... |
30-12-2017 at 00:20
by: JJay |
250ml RBF with a bubble in the bottom?
Deschem's quality varies... I think a lot of their items are seconds, but a lot of them are good qua ... |
28-12-2017 at 21:21
by: JJay |
Glassware cost
It really depends on quality, cleanliness, etc.
A new Chemglass condenser might be pretty pricey. ... |
28-12-2017 at 19:13
by: JJay |
Preparation of Methyl Iodide Using HCl Gas
*Nicodem
He's a highly respected moderator who has made many contributions.
See: http://www.sc ... |
28-12-2017 at 02:17
by: JJay |
call for participation: modernizing SM forum software
Is there a current SM backup? I was thinking a while back that it would be nice to have all the PDFs ... |
27-12-2017 at 21:00
by: JJay |
Anyone want to swap chemistry stuff?
I am still looking for a lab quantity of red phosphorus. Ideally I'd like to get 500 grams. I am ext ... |
27-12-2017 at 00:18
by: JJay |
Inert test tubes & teflon (or glass) cap liners.
If your Rooto is 97%, you got a good batch. I find that it is typically around 90% when analyzed usi ... |
26-12-2017 at 17:57
by: JJay |
Bad days in the lab or with glassware?
I decided it would be a good idea to try to fit a brush between the coil and wall of my reflux conde ... |
24-12-2017 at 16:35
by: JJay |
Inert test tubes & teflon (or glass) cap liners.
Qorpak sells PTFE liners.
Oh and I'd use something more concentrated than 3% hydrogen peroxide.. ... |
24-12-2017 at 16:09
by: JJay |
Preparation of Acetaldehyde
[rquote=501431&tid=79224&author=khourygeo77][rquote=501425&tid=79224&author=JJay]Thi ... |
24-12-2017 at 15:55
by: JJay |
Preparation of Acetaldehyde
This will probably work:
1. Dissolve some stainless steel in HCl.
2. Add a large excess of hydro ... |
24-12-2017 at 11:09
by: JJay |
Preparation of Acetaldehyde
You can make hexavalent chromium with household bleach or hydrogen peroxide and stainless steel flat ... |
24-12-2017 at 10:43
by: JJay |
Preparation of Acetaldehyde
It can be made from ethanol using various oxidizers, but that usually requires a distillation setup. ... |
24-12-2017 at 06:55
by: JJay |
Volcanic CO2 riddle
[rquote=501252&tid=79106&author=Chemvironment]There is a HUGE difference between weatherman ... |
23-12-2017 at 10:34
by: JJay |
Diethyl Ether Storage
I should probably ask Dr. Bob if he has any 500 mL amber media bottles.... |
23-12-2017 at 07:40
by: JJay |
Diethyl Ether Storage
I just noticed that Qorpak actually has pretty decent prices on their website. They have a disclaime ... |
22-12-2017 at 23:55
by: JJay |
Diethyl Ether Storage
[rquote=501287&tid=79184&author=Magpie]I tried storing my ether in the family food freezer: ... |
22-12-2017 at 20:17
by: JJay |
Diethyl Ether Storage
Haha... I've used my freezer for experiments before but I try not to because I have handled some pre ... |
22-12-2017 at 16:24
by: JJay |
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